A Potential Freeze Condition has been Detected, and "Ice" (ICE) in the System is being Prevented.
44°F (6.7°C) or Lower has been Detected at the Lowest Temp Sensor, or the Aux Freeze Switch has Closed, and All Pumps and Blower are Activated. All Pumps and Blower are ON for at least 4 Minutes After Temp is 45°F (7.2°C) or Above at the Sensors, or when the Aux Freeze Switch Opens. This is an Operational Message, Not an Error Indication. Either wait for the Potential Freeze Condition to End, or contact your Dealer or Service Organization.
For all Diagnostic Messages, click on below link.